TY - JOUR AU - V. G. Romanov TI - A problem on the simultaneous determination of the attenuation JO - Doklady Akademii Nauk PY - 1996 SP - 29 EP - 31 VL - 351 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1996_351_1_a7/ LA - ru ID - DAN_1996_351_1_a7 ER -